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New Controlled Study Finds Wearing NO Mask In Public Prevents COVID Infection As Often As Wearing One Does
By Kenneth Richard on 19. November 2020
Share this… Facebook Twitter The first-ever randomized controlled trial (4,862 participants) for mask-use effectiveness in the COVID-19 era reveals that people who wear face masks properly in public are infected only 0.1 of a percentage point less often (2.0% vs. 2.1%) than those who do not wear masks in public. In 2018 the United States’ […]